National Stock Number (NSN) 4710-01-643-7207, or NIIN 016437207, (tube,bent,metallic) was assigned April 10, 2015 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M225V2260, SPE7M224P2574, SPE7M122V8856, SPE7M122V8856, SPE7M222P1527. The total value of the awarded contracts has been US$ 30,290.63.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 12, 2015, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 32507. [A BENT HOLLOW ITEM, WELDED OR SEAMLESS. IT HAS A ROUND, SQUARE OR ANY OTHER CROSS SECTION, WITH A CONTINUOUS PERIPHERY. IT IS PRIMARILY DESIGNED TO CONVEY FLUIDS, GASES AND/OR SEMISOLIDS. EXCLUDES:ITEMS OF CIRCULAR CROSS SECTION WHICH CONFORM IN DIMENSIONAL CHARACTERISTICS TO PIPE, METALLIC; ELBOW, PIPE; ELBOW, TUBE; BEND, ELECTRICAL CONDUIT; BEND, PIPE, RETURN; AND BEND, TUBE, RETURN. FOR ITEMS WITH END FITTINGS ON ONE OR BOTH ENDS, SEE TUBE ASSEMBLY, METAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4710016437207 does not contain precious metals.
This information was last updated on Jul 01, 2025.